Product kiosks are popping up at Costco locations, casting doubt over the role of human product demonstrators.

Will Costco, one of the nation's largest big-box retail stores, be open on the 4th of July? Will shoppers still be able to snatch those famous hot dogs for a buck fifty?To many Americans, the Fourth of July is equivalent to fireworks, backyard barbecues, and peppy summer parties. On this ve...

Macy's, Costco and other big chains say shoppers are pulling back at their stores and changing what they buy. That could be a red flag for the US economy.